import Vue from 'vue'
import Router from 'vue-router'
// import Login from '@/components/Login.vue'
// import Home from '@/components/Home.vue'
// import Welcome from '@/components/Welcome.vue'
// import Users from '@/components/user/Users.vue'
// import Rights from '@/components/power/Rights.vue'
// import Roles from '@/components/power/Roles.vue'
// import Cate from '@/components/goods/Cate.vue'
// import Params from '@/components/goods/Params.vue'
// import goodsList from '@/components/goods/List.vue'
// import Add from '@/components/goods/Add.vue'
// import Order from '@/components/order/Order.vue'
// import Report from '@/components/report/Report.vue'

const Login = () => import(/* webpackChunkName: "login_home_welome" */ '@/components/Login.vue')
const Home = () => import(/* webpackChunkName: "login_home_welome" */ '@/components/Home.vue')
const Welcome = () => import(/* webpackChunkName: "login_home_welome" */ '@/components/Welcome.vue')

const Users = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '@/components/user/Users.vue')
const Rights = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '@/components/power/Rights.vue')
const Roles = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '@/components/power/Roles.vue')

const Cate = () => import(/* webpackChunkName: "Cate_Params" */ '@/components/goods/Cate.vue')
const Params = () => import(/* webpackChunkName: "Cate_Params" */ '@/components/goods/Params.vue')

const goodsList = () => import(/* webpackChunkName: "GoodsList_Add" */ '@/components/goods/List.vue')
const Add = () => import(/* webpackChunkName: "GoodsList_Add" */ '@/components/goods/Add.vue')

const Order = () => import(/* webpackChunkName: "Order_Report" */ '@/components/order/Order.vue')
const Report = () => import(/* webpackChunkName: "Order_Report" */ '@/components/report/Report.vue')
Vue.use(Router)

const router = new Router({
  routes: [
    { path: '/', redirect: '/login' },
    { path: '/login', component: Login },
    {
      path: '/home',
      component: Home,
      redirect: '/welcome',
      children: [
        {
          path: '/welcome',
          component: Welcome
        },
        {
          path: '/users',
          component: Users
        },
        {
          path: '/rights',
          component: Rights
        },
        {
          path: '/roles',
          component: Roles
        },
        {
          path: '/categories',
          component: Cate
        },
        {
          path: '/params',
          component: Params
        },
        {
          path: '/goods',
          component: goodsList
        },
        {
          path: '/goods/add',
          component: Add
        },
        {
          path: '/orders',
          component: Order
        },
        {
          path: '/reports',
          component: Report
        }
      ]
    }
  ]
})

// 挂载路由守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 代表从哪个路径跳转而来
  // next 是一个函数， 表示放行
  // next()  放行   next('/login')  强制放行
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router
